似乎可以解决这个问题。
$gem install ffi
Building native extensions. This could take a while...
ERROR: Error installing ffi:
ERROR: Failed to build gem native extension.
/remote/part/usern/.rvm/rubies/ruby-1.9.3-p448/bin/ruby extconf.rb
checking for ffi.h... no
checking for ffi.h in /usr/local/include,/usr/include/ffi... no
checking for rb_thread_blocking_region()... yes
checking for rb_thread_call_with_gvl()... yes
checking for rb_thread_call_without_gvl()... yes
checking for ffi_prep_cif_var()... no
creating extconf.h
creating Makefile
make
libffi.gnu.mk:16: Extraneous text after `else' directive
libffi.gnu.mk:18: *** only one `else' per conditional. Stop.
Gem files will remain installed in /remote/part/usern/.rvm/gems/ruby-1.9.3-p448@myrailsapp/gems/ffi-1.9.0 for inspection.
Results logged to /remote/part/usern/.rvm/gems/ruby-1.9.3-p448@myrailsapp/gems/ffi-1.9.0/ext/ffi_c/gem_make.out
有任何想法吗？
最佳答案
尝试这个
sudo ln -s /usr/bin/gcc /usr/bin/gcc-4.2
apt-get install ruby{version}-dev
bundle install ffi
它对我有用
关于ruby - 安装ffi时出错，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/18283291/